How To Access HTML5 data- Attributes With JavaScript/JQuery

In HTML5 data- Attributes were introduced. They are a big improvement, because they allow you to store information within a HTML tag. They look like this:

<div id="abc" data-listsize="20"></div>

You see, the div tag is extended by a data-listsize attribute, which has the value 20. But how can you access this attributes with JavaScript? In this article I’ll show you both ways – with plain JavaScript and with jQuery.

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How To Use Email Autoresponders

Email autoresponders are a grat tool for online marketers. But what are autoresponders? And how do they work? In this Infographic you’ll learn about the magic of autoresponders 😉
You’ll find out…

  • … what an autoresponder is
  • … how to set up an autoresponder
  • … ways to use an autoresponder

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PHP: Return An include And Assign It To A Variable

The include statement is a simple way to include PHP code from another file.

The usage is quite simple. Just write something like this:

<?php
include 'a_file.php';

If the file is successfully included it will return a TRUE or 1. If it failes to include the file it will return a FALSE. But sometimes you may need to get the content of an included file in order to store it in an variable. Unfortunately the include statement just returns TRUE or FALSE, as mentioned above.

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PHP: How To Format Numbers

In PHP there is an easy way to format numbers with decimal separators and thousands separators an so on. A number like 123456.789 can be easily formated to something like 123,456.79 or 123.456,79. In this article I’ll show you how.

First of all, why do we need to format numbers? Well it’s obvious, that you can read a number like 123,45 very easily. But how about 9348394309.238? 😉 In this case, it will be very useful to add some thousands separators. Because then it will look like this: 9,348,394,309.238. And maybe we want to limit the decimals to two. So it will look like this: 9,348,394,309.24 (please note the rounded decimal). So this makes it way more readable.

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The JSON Format Explained

The JSON format is a very popular format for exchanging data. It is very easy to use. Find out, how to use the JSON format. What is JSON? JSON stands for JavaScript Object Notation. The format is identical to the way, you would create objects in JavaScript. It is a great way to exchange data … Read moreThe JSON Format Explained

PHP: Convert An Array To JSON

Sometimes, when programming in PHP, you’ll need to convert an array to JSON. This enables you e.g. to retrieve data serverside through PHP and pass it to the client, which then can process this data with javascript. There are different ways to do that, e.g. via AJAX.
In this article I’ll show you, how easy it is to convert a PHP array into a JSON String.

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JavaScript: Get A Random Item From An Array

In one of my previous posts I’ve shown you how to get a random item from an array in PHP. Well, there is, of course, a way to do this in JavaScript as well. And it’s also very easy. Just declare someting like this:

<script>
var allItems = ['A', 'B', 'C', 1, 2, 3, 4, 5];
</script>

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